I just received the same phone call, my agents name was Cheryl, and I was told I had one the basic prize's and was being entered into the grand prize drawing. I too called my credit card company and they had never heard of this company either. I ignored the second call.
Caller was from publisher's something about me winning a prize. I asked to be removed from their call list. I was told "we'll see. Nah. Screw that. You figure it out."